body {
    --color-text: #000;
    --color-bg-view-1: #f3efe6;
    --color-bg-view-2: #cbb37e;
    --color-link: #000;
    --color-link-hover: #000;
    --color-button: #000;
    --color-button-hover: #634c18;
    color: var(--color-text);
}

a {
    text-decoration: none;
    color: var(--color-link);
    outline: none;
}

a:hover {
    color: var(--color-link-hover);
    outline: none;
}

.unbutton {
    background: none;
    border: 0;
    padding: 0;
    margin: 0;
    font: inherit;
    cursor: pointer;
}

.unbutton:focus {
    outline: none;
}

main.principal {
    display: grid;
    grid-template-columns: 100%;
    grid-template-rows: 100vh;
}

main.principal .frame {
    grid-area: 1 / 1 / 2 / 2;
    padding: 1.5rem 2rem 10vh;
    text-align: center;
    position: relative;
    z-index: 100;
    pointer-events: none;
}

main.principal .frame a {
    pointer-events: auto;
}

.frame__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
}

.frame__links {
    margin: 0.5rem 0 2rem;
}

.frame__links a:not(:last-child) {
    margin-right: 1rem;
}

.frame--view-open .button-open {
    opacity: 0;
    pointer-events: none;
}

main.principal .view {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    grid-area: 1 / 1 / 2 / 2;
    display: block;
}

main.principal .view--1 {
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.85) transparent;
}

main.principal .view--1::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

main.principal .view--1::-webkit-scrollbar-track {
    background: transparent;
}

main.principal .view--1::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.85);
    border-radius: 3px;
}

main.principal .view--1::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.95);
}

main.principal .view--2 {
    pointer-events: none;
    opacity: 0;
    overflow: hidden;
    background: #000;
    min-height: 100vh;
    color: var(--color-text);
    background-color: var(--bg_view2);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
}

main.principal .view.view--open {
    pointer-events: auto;
    opacity: 1;
    overflow: hidden;
}

.overlay {
    grid-area: 1 / 1 / 2 / 2;
    position: relative;
    z-index: 1000;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

@media screen and (min-width: 53em) {
    .frame {
        padding: 1.5rem 2rem 0;
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-areas: 'title links sponsor';
        grid-gap: 3vw;
        justify-content: space-between;
        text-align: left;
        position: sticky;
        background: red;
    }

    .frame__links {
        margin: 0;
    }
}

.anterior,
.proximo {
    cursor: pointer;
    padding: 10px;
    color: #111;
    border: 4px solid #111;
    margin: 10px;
    display: inline-block;
    user-select: none;
}

.anterior:hover,
.proximo:hover {
    background: #111;
    color: rgba(255, 255, 255, 0.8);
}

.diferenciais_menu {
    transform: translateX(-30px);
    visibility: hidden;
    opacity: 0;
}

.navigation_internal {
    opacity: 0;
    visibility: hidden;
    position: fixed;
    top: 62px;
    left: 50%;
    transform: translateX(-50%) translateY(-30px);
    width: 200px;
    display: flex;
    flex-direction: column;
    /* empilha os grupos */
    align-items: center;
    z-index: 99999;
    width: 500px;
}

.navigation_internal .button-group {
    display: flex;
    gap: 10px;
    /* espaço entre botões */
    justify-content: center;
}

.navigation_internal .desc {
    margin-top: 10px;
    user-select: none;
    color: #111;
    text-align: center;
    padding: 10px;
    text-transform: uppercase;
    font-family: "IBM Plex Mono", monospace !important;
    font-size: 1.33em;
}

.unbutton.button.button--close {
    position: fixed;
    right: 40px;
    top: 65px;
    color: #ccc !important;
    opacity: 0;
    transform: translateY(-30px);
    visibility: hidden;
    z-index: 99999;
    padding: 20px;
    background-color: #111;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.unbutton.button.button--close:hover {
    border: 2px solid rgba(255, 255, 255, 1);
}

.unbutton.button.button--close.hidden {
    display: none;
}

.shelsonProject {
    z-index: 9999;
}

.logo_enter {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background-color: black;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    border-radius: 10px;
}

.logo_start {
    position: fixed;
    top: 50px;
    left: 50px;
    width: 150px;
    height: 150px;
    background-color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    border-radius: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-30px) rotateY(-180deg);
    transform-style: preserve-3d;
    will-change: transform;
}